What is Directivity in a VNA?

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Andreas Henkel, Product Management for Network Analysis - Rohde & Schwarz

Aug 6, 2019

The dynamic range of a vector network analyzer (VNA) is the difference between the maximum output power and the noise level (the noise level is the minimum input power that the vector network analyzer can measure, since any lower signals would be lost in that noise). For the acquisition of the signal and optimal measurement results, the input signal should be between those two values (maximum output power and noise level).

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